<template>
  <section class="main">
    <input
      id="toggle-all"
      class="toggle-all"
      type="checkbox"
      :checked="isCheckAll"
      @change="change"
    />
    <label for="toggle-all">Mark all as complete</label>
    <ul class="todo-list">
      <!-- 当任务已完成，可以给 li 加上 completed 类，会让元素加上删除线 -->
      <li
        :class="{ completed: item.isDone }"
        @change="changeStatus(item.id)"
        v-for="item in list"
        :key="item.id"
      >
        <div class="view">
          <input class="toggle" type="checkbox" :checked="item.isDone" />
          <label>{{ item.name }}</label>
          <button class="destroy" @click="destroy(item.id)"></button>
        </div>
      </li>
    </ul>
  </section>
</template>

<script>
export default {
  name: 'Body',
  props: {
    list: {
      type: Array
    },
    isCheckAll: {
      type:Boolean
    }
  },
  components: {},
  data () {
    return {}
  },
  methods: {
    destroy (id) {
      this.$emit('destroy', id)
    },
    changeStatus (id) {
      this.$emit('changeStatus', id)
    },
    change () {
      this.$emit('change', !this.isCheckAll)
    }
  },
  watch: {},
  computed: {
    isAll: {
      get () {
        return this.list.every(item => item.isDone === true)
      },
      set (value) {
        this.$emit('changeAll', value)
      }
    }
  },
  filters: {}
}
</script>

<style scoped lang="less"></style>
